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NAME

       trace -

 SYNOPSIS
       trace option ?arg arg ...?
_________________________________________________________________

 DESCRIPTION
        Tcl  option () ():

       trace variable name ops command
                  command    name    ops   Name       (name       )       name
              command      namespace     which  info exists

              Ops     :

              r       command

              w       command

              u       command unset  ()

               command     :
                     command name1 name2 op
              Name1   name2  :        name1    name2        name1        name2
              name1  name2 Name1      name2  trace variable     : upvar     Op
              rw     u

              Command     :      Tcl  command           command  ()      upvar
              uplevel     name1          upvar

              command        command            command       ()       command
              command

               command          command  command     () command

              :     :

               trace vdelete

       trace vdelete name ops command
               name  ops      command      command

       trace vinfo name
               name      ops  command  name

 KEYWORDS
       read, variable, write, trace, unset

[]


[]

       2001/11/21

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